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Filename Latest commit message Latest commit date
Juergen Gross 828b1d3861 xen/netfront: disentangle tx_skb_freelist
commit 21631d2d741a64a073e167c27769e73bc7844a2f upstream.

The tx_skb_freelist elements are in a single linked list with the
request id used as link reference. The per element link field is in a
union with the skb pointer of an in use request.

Move the link reference out of the union in order to enable a later
reuse of it for requests which need a populated skb pointer.

Rename add_id_to_freelist() and get_id_from_freelist() to
add_id_to_list() and get_id_from_list() in order to prepare using
those for other lists as well. Define ~0 as value to indicate the end
of a list and place that value into the link for a request not being
on the list.

When freeing a skb zero the skb pointer in the request. Use a NULL
value of the skb pointer instead of skb_entry_is_link() for deciding
whether a request has a skb linked to it.

Remove skb_entry_set_link() and open code it instead as it is really
trivial now.

Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-12-01 09:23:35 +01:00
arch s390/mm: validate VMA in PGSTE manipulation functions 2021-12-01 09:23:34 +01:00
block
certs
crypto
Documentation
drivers xen/netfront: disentangle tx_skb_freelist 2021-12-01 09:23:35 +01:00
fs fuse: release pipe buf after last use 2021-12-01 09:23:35 +01:00
include xen: sync include/xen/interface/io/ring.h with Xen's newest version 2021-12-01 09:23:35 +01:00
init
ipc shm: extend forced shm destroy to support objects from several IPC nses 2021-12-01 09:23:35 +01:00
kernel tracing: Check pid filtering when creating events 2021-12-01 09:23:34 +01:00
lib
LICENSES
mm
net NFC: add NCI_UNREG flag to eliminate the race 2021-12-01 09:23:35 +01:00
samples
scripts
security
sound ASoC: topology: Add missing rwsem around snd_ctl_remove() calls 2021-12-01 09:23:32 +01:00
tools
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
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README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.